6629009249 has 2 divisors, whose sum is σ = 6629009250. Its totient is φ = 6629009248.

The previous prime is 6629009243. The next prime is 6629009267. The reversal of 6629009249 is 9429009266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6393601600 + 235407649 = 79960^2 + 15343^2 .

It is a cyclic number.

It is not a de Polignac number, because 6629009249 - 2¹² = 6629005153 is a prime.

It is not a weakly prime, because it can be changed into another prime (6629009243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314504624 + 3314504625.

It is an arithmetic number, because the mean of its divisors is an integer number (3314504625).

Almost surely, 2^6629009249 is an apocalyptic number.

It is an amenable number.

6629009249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6629009249 is an equidigital number, since it uses as much as digits as its factorization.

6629009249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 6629009249 is about 81418.7278763308. The cubic root of 6629009249 is about 1878.5216657394.

The spelling of 6629009249 in words is "six billion, six hundred twenty-nine million, nine thousand, two hundred forty-nine".